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My .profile of the oracle user is:

ORACLE_BASE=/oracle00/orainventory
export ORACLE_BASE
ORACLE_HOME=/oracle00
export ORACLE_HOME
PATH=$PATH:$ORACLE_HOME/bin
export PATH
DISPLAY=localhost:0.0
export DISPLAY

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Mi env is :

DTDATABASESEARCHPATH=/oracle00/.dt/types,/etc/dt/appconfig/types/%L,/etc/dt/appconfig/types/C,/usr/dt/appconfig/types/%L,/usr/dt/appconfig/types/C
LOGIN=ora9i
PATH=/usr/bin:/etc:/usr/sbin:/usr/ucb:/usr/dt/bin:/usr/bin/X11:/sbin:/usr/java130/jre/bin:/usr/java130/bin:/oracle00/bin
ORACLE_BASE=/oracle00/orainventory
DTUSERSESSION=ora9i-myserver-0
XMICONBMSEARCHPATH=/oracle00/.dt/icons/%B%M.bm:/oracle00/.dt/icons/%B%M.pm:/oracle00/.dt/icons/%B:/etc/dt/appconfig/icons/%L/%B%M.bm:/etc/dt/appconfig/icons/%L/%B%M.pm:/etc/dt/appconfig/icons/%L/%B:/etc/dt/appconfig/icons/C/%B%M.bm:/etc/dt/appconfig/icons/C/%B%M.pm:/etc/dt/appconfig/icons/C/%B:/usr/dt/appconfig/icons/%L/%B%M.bm:/usr/dt/appconfig/icons/%L/%B%M.pm:/usr/dt/appconfig/icons/%L/%B:/usr/dt/appconfig/icons/C/%B%M.bm:/usr/dt/appconfig/icons/C/%B%M.pm:/usr/dt/appconfig/icons/C/%B
LOGNAME=ora9i
MAIL=/var/spool/mail/ora9i
USER=ora9i
DTAPPSEARCHPATH=/oracle00/.dt/appmanager:/etc/dt/appconfig/appmanager/%L:/etc/dt/appconfig/appmanager/C:/usr/dt/appconfig/appmanager/%L:/usr/dt/appconfig/appmanager/C
HOME=/oracle00
XMICONSEARCHPATH=/oracle00/.dt/icons/%B%M.pm:/oracle00/.dt/icons/%B%M.bm:/oracle00/.dt/icons/%B:/etc/dt/appconfig/icons/%L/%B%M.pm:/etc/dt/appconfig/icons/%L/%B%M.bm:/etc/dt/appconfig/icons/%L/%B:/etc/dt/appconfig/icons/C/%B%M.pm:/etc/dt/appconfig/icons/C/%B%M.bm:/etc/dt/appconfig/icons/C/%B:/usr/dt/appconfig/icons/%L/%B%M.pm:/usr/dt/appconfig/icons/%L/%B%M.bm:/usr/dt/appconfig/icons/%L/%B:/usr/dt/appconfig/icons/C/%B%M.pm:/usr/dt/appconfig/icons/C/%B%M.bm:/usr/dt/appconfig/icons/C/%B
ORACLE_HOME=/oracle00
PWD=/oracle00
DTHELPSEARCHPATH=/oracle00/.dt/help/ora9i-myserver-0/%H:/oracle00/.dt/help/ora9i-myserver-0/%H.sdl:/oracle00/.dt/help/ora9i-myserver-0/%H.hv:/oracle00/.dt/help/%H:/oracle00/.dt/help/%H.sdl:/oracle00/.dt/help/%H.hv:/etc/dt/appconfig/help/%L/%H:/etc/dt/appconfig/help/%L/%H.sdl:/etc/dt/appconfig/help/%L/%H.hv:/etc/dt/appconfig/help/C/%H:/etc/dt/appconfig/help/C/%H.sdl:/etc/dt/appconfig/help/C/%H.hv:/usr/dt/appconfig/help/%L/%H:/usr/dt/appconfig/help/%L/%H.sdl:/usr/dt/appconfig/help/%L/%H.hv:/usr/dt/appconfig/help/C/%H:/usr/dt/appconfig/help/C/%H.sdl:/usr/dt/appconfig/help/C/%H.hv

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Thank's a lot for your help
Regards